Q. Which of the oxide of manganese is amphoteric?

A) ${MnO}_{2}$
B) ${Mn}_{2}O_{3}$
C) ${Mn}_{2}O_{7}$
D) $MnO$
Explanation

(a)
Oxide of Mn in its intermediate oxidation state i.e., +4 is ${MnO}_{2}$. This is amphoteric in character.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.